Sean Rafferty (voice)
Mitchell Peterson (voice)
Mindy Melendez (voice)
Jet Propulsion (voice)
Sydney Skelley (voice)
Stella Singularity (voice)
The Great Galacto (voice)
Face 9000 (voice) / Dr. Bergs (voice) / Guard (voice)
Houston (voice)
Aurora (voice)
Carrot Propulsion (voice)
Celery Propulsion (voice) / Stella's Ship (voice)
Dr. Skelley (voice) / Operator (voice)
Dr. Chandra (voice) / Bortronian Veejay (voice)
